Sign holder



FIG. 1 is a front view of the design

FIG. 2 is a right view of the design

FIG. 3 is a left view of the design

FIG. 4 is a top view of the design

FIG. 5 is a bottom view the design

FIG. 6 is a rear view of the design; and,

FIG. 7 is a perspective view of the design. 

The ornamental design for a sign holder, as shown. 